EP0572197B1 - Force feedback system for continuous passive motion device - Google Patents

Force feedback system for continuous passive motion device Download PDF

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Publication number
EP0572197B1
EP0572197B1 EP93304008A EP93304008A EP0572197B1 EP 0572197 B1 EP0572197 B1 EP 0572197B1 EP 93304008 A EP93304008 A EP 93304008A EP 93304008 A EP93304008 A EP 93304008A EP 0572197 B1 EP0572197 B1 EP 0572197B1
Authority
EP
European Patent Office
Prior art keywords
force
cycle
spine
logic system
lordotic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93304008A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0572197A1 (en
Inventor
Rowland G. Hazard
Steven M. Reinecke
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0572197A1 publication Critical patent/EP0572197A1/en
Application granted granted Critical
Publication of EP0572197B1 publication Critical patent/EP0572197B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H9/00—Pneumatic or hydraulic massage
    • A61H9/005—Pneumatic massage
    • A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
    • A61H1/02—Stretching or bending or torsioning apparatus for exercising
    • A61H1/0292—Stretching or bending or torsioning apparatus for exercising for the spinal column
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/01—Constructive details
    • A61H2201/0173—Means for preventing injuries
    • A61H2201/018—By limiting the applied torque or force
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/50—Control means thereof
    • A61H2201/5053—Control means thereof mechanically controlled
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2203/00—Additional characteristics concerning the patient
    • A61H2203/04—Position of the patient
    • A61H2203/0425—Sitting on the buttocks
    • A61H2203/0431—Sitting on the buttocks in 90°/90°-position, like on a chair
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2203/00—Additional characteristics concerning the patient
    • A61H2203/04—Position of the patient
    • A61H2203/0443—Position of the patient substantially horizontal
    • A61H2203/0456—Supine

Definitions

  • This invention pertains to continuous passive motion methods and means, and concerns such continuous passive motion methods and means as they are applied in the treatment and/or prevention of back pain.
  • the invention provides continuous passive motion apparatus In accordance with Claim 1
  • the continuous and automatic control tends to hold the force within a predetermined range.
  • one means 10 comprises a logic box 11 that is positioned in a chair 1.
  • the means have a continuous passive motion support 12 and have some type of motor (mechanical) or pneumatic drive 13.
  • motor mechanical
  • FIG 4 a cam driven device is shown.
  • the device comprises a motor 13 having its shaft connected to a cam drive 15 by means of a belt 14.
  • the device has a flexible support panel 16 and a load cell or transducer 17 to measure force between the support and the user's back.
  • the cam 15 drives the support panel 16.
  • the mechanical device is driven by means of a rack and pinion arrangement.
  • the device has a motor 13 driving a pinion 18 using a belt 14.
  • the pinion 18 activates piston 19 which, in turn, moves support panel 21.
  • a compression spring 20 is used to counterbalance the actions of the piston 19.
  • the support panel contains a load cell or transducer 22.
  • a spring and cable type mechanical system could also be used.
  • a pneumatic apparatus, as described in applicant's previous patent can also be fitted with the logic system and the force sensing devices.
  • All the above-described means provide a backward and forward motion of a support that is in contact with an individual's back.
  • the motion includes lordotic and kyphotic movements of the spine such that flexion and extension alternately occur between adjacent vertebrae.
  • the mechanisms cyclically impose increasing and decreasing force against the user.
  • the control of the motion can be accomplished by means of a timer.
  • the logic system of the means will override the signal sent to the motor by monitoring the force against the user's back. Using feedback from the force transducer, the logic system can regulate the motion to allow the desired amounts of the lordotic movement despite variations in spinal compliance and in the individual's posture and position.
  • the logic of the override control of the circuit is shown in Figures 1 and 2.
  • Low force input from the force transducer between the support and the user's back is mediated by the logic box to signal the motor to rotate in a forward direction.
  • the forward rotation is transmitted to the drive device to create forward displacement of the support to induce greater support to the user's spine.
  • Middle range input from the force transducer signals the motor to rest in neutral with no motion off the drive device.
  • Force input in the high range signals the motor to rotate in reverse, causing the mechanism to revolve back away from the user's back.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Pain & Pain Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Rehabilitation Therapy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Rehabilitation Tools (AREA)
EP93304008A 1992-05-26 1993-05-24 Force feedback system for continuous passive motion device Expired - Lifetime EP0572197B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88787792A 1992-05-26 1992-05-26
US887877 2001-06-21

Publications (2)

Publication Number Publication Date
EP0572197A1 EP0572197A1 (en) 1993-12-01
EP0572197B1 true EP0572197B1 (en) 1998-11-04

Family

ID=25392057

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93304008A Expired - Lifetime EP0572197B1 (en) 1992-05-26 1993-05-24 Force feedback system for continuous passive motion device

Country Status (6)

Country Link
US (1) US5624383A (ko)
EP (1) EP0572197B1 (ko)
JP (1) JP2898508B2 (ko)
KR (1) KR930025040U (ko)
DE (1) DE69321876T2 (ko)
ES (1) ES2124287T3 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5637076A (en) * 1992-05-26 1997-06-10 Ergomedics, Inc. Apparatus and method for continuous passive motion of the lumbar region
US6488640B2 (en) 1999-11-08 2002-12-03 Robert T. Hood, Jr. Method and device for continuous passive lumbar motion (CLMP) for back exercise
US6544203B2 (en) 2001-01-10 2003-04-08 Ergomedics, Inc. Apparatus and method for continuous passive motion of the lumbar region
WO2003024277A1 (en) * 2001-09-20 2003-03-27 Ergomedics, Inc. System for providing lumbar motion and support
CA2399823C (en) * 2002-08-26 2011-01-04 Terry Cassaday Chair with onboard electrical power source
US6916300B2 (en) * 2002-11-14 2005-07-12 Bowles Fluidics Corporation Seat massager
US10314733B2 (en) 2012-12-20 2019-06-11 Elwha Llc Sensor-based control of active wearable system
US9345609B2 (en) 2013-01-11 2016-05-24 Elwha Llc Position sensing active torso support
US10137024B2 (en) 2013-04-08 2018-11-27 Elwha Llc Apparatus, system, and method for controlling movement of an orthopedic joint prosthesis in a mammalian subject
US9439797B2 (en) 2013-04-08 2016-09-13 Elwha Llc Apparatus, system, and method for controlling movement of an orthopedic joint prosthesis in a mammalian subject
CN104069003B (zh) * 2014-04-21 2017-07-07 杭州长命乳胶海绵有限公司 触压自调式按摩背靠
CN107157705A (zh) * 2017-05-09 2017-09-15 京东方科技集团股份有限公司 康复系统和方法

Family Cites Families (36)

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GB462179A (en) * 1935-09-03 1937-03-03 Frederick Henry Corber Improvements in or relating to seats and seat backs or cushion devices for use therewith
US2193882A (en) * 1937-10-15 1940-03-19 Henry O Petersen Massaging table
US2240679A (en) * 1938-08-01 1941-05-06 Bernard H Stauffer Muscle relaxing machine
US2193822A (en) * 1939-01-12 1940-03-19 Knox Samuel Lippincot Griswold Multiple expansion engine
US2307331A (en) * 1941-06-03 1943-01-05 Jr Herbert Cassius Parker Cushion
US2756808A (en) * 1953-12-15 1956-07-31 Herman H Eichorst Portable head and back rest
US2716443A (en) * 1954-05-25 1955-08-30 Myron P Laughlin Seat back support
DE1256840B (de) * 1965-03-12 1967-12-21 Hans Joachim Schneider Dr Med Gymnastik-Geraet zur Aufrechterhaltung und/oder Wiederherstellung physiologischer Koerperfunktionen, insbesondere zur Behandlung bzw. Verhuetung von Haltungsschaeden
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Also Published As

Publication number Publication date
JPH0647066A (ja) 1994-02-22
JP2898508B2 (ja) 1999-06-02
KR930025040U (ko) 1993-12-16
DE69321876D1 (de) 1998-12-10
US5624383A (en) 1997-04-29
DE69321876T2 (de) 1999-05-12
EP0572197A1 (en) 1993-12-01
ES2124287T3 (es) 1999-02-01

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